After recent heavy rainfalls, runoff, leaching or denitrification can affect the nitrogen (N) levels in no-tillers' soil, but this N loss can be mitigated through good management strategies.
Underground trenches filled with woodchips, called bioreactors, are gaining traction as viable edge-of-field tools to remove nitrogen (N) from the water that drains from agricultural fields. A new study from Iowa State University looked at how woodchip degradation affected the performance and lifespan of these bioreactors.
Research aims to track the contributing factors of nutrient management practices, such as cover crops, reducing nitrogen use and wood chip bioreactors.
Incorporating cover crops into a rotation can be thought of as a way to mimic perennial systems where nitrogen is rarely lost, says South Dakota State University Extension.
Maryland growers planted a record-setting 492,244 acres of cover crops, which will prevent an estimated 2.95 million pounds of nitrogen and 98,500 pounds of phosphorus from reaching waterways.
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Francois and Samantha Naude detail their unique closing wheel from FigTri Steel Products & Engineering, designed for the South African climate where compaction can be a real issue in the arid environment.
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